Working Theory

The Magnum RemusShield Finger-sense antitheft module is a must-have for all motorcycles. Our state-of-the-art Finger-touch antitheft module prevents theft even against the most sophisticated thieves using customary PC hacking tools to override stock immobilizers or block the alarm systems; it even prevents theft even if keys were stolen. Recently, most thieves have already had tools to fool your stock immobilizer system or bypass any alarm system. It is also very common nowadays that some thieves obtain your key by breaking in to your house or office, and they can even get clone keys made by their fellows in repair shops. RemusShield Finger Touch immobilizer is the only safe solution that will still protect your bike against all these theft scenarios.

The Remusshield Finger Sense Immobilizer boasts with the service bypass keys in order to avoid revealing the location of the sensor to unauthorized persons. Each unit features Block Retardation, meaning that you are allowed to restart the engine 8 seconds after it stopped for any reason. A warning “beep” signal will sound up when the functions are changed (on / off / retarded engine-start blocking). A default 20 sec retarded engine-start blocking is preprogrammed, meaning that the engine will start with no sensor touch and stop just after 20 seconds if screws are not touched.

The Magnum RemusShield system doesn't require any extra tools, it is automatically activated once you turn off your Haizhimeng LB50QT-21 Finger Sense Immobilizer, and the system will never malfunction or annoy you with an unexpected engine block. The RemusShield is a Finger-sense antitheft module system that blocks either the cranking motor, any engine sensor, the ignition or the fuel injection system (if any), accordingly the unit will not allow an unauthorized person to start the engine until she or he touches either finger to the hidden screws and closes the electric circuit. After installation, all you need to start your engine is to touch two small hidden screws with one finger before turning on the ignition key. No one else will know where these screws are located but you. Service mode will keep you secure against undesired fraudulent people when taking your bike to a car-wash or service-shop. It’s difficult to detect by thieves, especially since they’re not expecting it. Locating the sensor may take them several hours.

Packing List

1 x RemusShield Immobilizer

1 x Lock Switch + Service Key

4 x Bullet Connectors (Male + Female)

4 x Zip Tie

2 x M3x20 Stainless Steel HEX Sensor Screws

4 x M3 Stainless Steel Nut

4 x 3mm Stainless Steel Spacer

2 x Scotch-lock

1 x 5mm LED Holder

1 x Dual Side Adhesive Tape

1 x Installation instructions

This Finger Touch Immobilizer will fit all bikes running on negative grounded 12-Volt electrical system. 24-Volt bikes are not applicable.

Please read instructions before installation

Although RemusShield finger touch immobilizer installs easy DIY and even people who are not technical minded will find, kit is not difficult to install, it is still an electronic device affects engine- operation and start accordingly we strongly recommend having a certified tech install this unit if you are still not technically inclined regarding this kind of wiring.

Connect the orange wire to the ignition key activated +12V power feed.

Cut the hot power wire of the electronic component that you selected and connect the RemusShield's two black wires inline with it. No polarity is applied.

Find a hidden place for sensor screws. Connect the black and white wire ends in the ring terminal. Use washers and secure the nut on the thread.

Find a place for the head unit, service key, LED- and sound indicator.

Connect the two male and female T-tap terminals of the service key. Leave service key in normal mode.

Make sure that the ignition key is turned off and connect the red cable to the constant battery +12V. If your immobilizer system is alarmed, the LED will be flashing.

Electrical Notes

Several engine components operate only when ignition key is turned on. Use any ignition activated contact that is switched on and off by the ignition key. Recommended components to block, in order of relevance:

engine management power wire, in the case of fuel injected models

either fundamental engine sensor power wire, in the case of fuel injected models

fuel pump hot wire

starter motor

The less typical, the more creative and unique your choice is, the less chance is there for thieves to steal your motorcycle. Establish firm connections in order to avoid an engine shutdown. Make sure the wire you have interrupted doesn't transmit more than 10 Amps or 20 Amp in surge. Over that current rate you will need to install relays.

Mechanical Notes

You can fix the screws any distance apart from each other but it is recommended that you mount them close to each other. Minimum distance is 0.04" - 1 mm. Positioning them any closer might result in incidental blocks caused by water drops or moisture. Dual sided adhesive tape can be placed on the beeper to lower noise level. See picture below.

Wiring diagram

Operation – Functionality

While LED is flashing, block function is activated. Engine will start but it will be blocked after 20 seconds have passed, unless your touch the screws.

You may start the engine two different ways.

h5Scenario #1/h5

Touch the sensor (you hear short beep and LED shuts down)

Turn on the ignition key

You are now allowed to start the engine within 8 seconds. Engine will run as normally.

h5Scenario #2/h5

Crank the engine

Touch the sensor within 20 seconds (beep and LED flash warns you that the engine block is retarded)

Engine will stop after 20 second lapsed

If for any reason you missed to unlock the immobilizer in the given timeframe, you need to wait another 10 seconds to be able to restart the process unless ignition key is turned off and on again. Since this occurrence reflects to unauthorized use, you will have less time to unlock the system.

Service mode

Highly recommended to activate service mode, if your motorcycle is taken to car-wash, repair shop or wherever, an unauthorized person can get access to the location of your secret sensor. Don't divulge the location of your sensor to anyone you don't rely upon, just switch off RemusShield 's service key. See switch positions and modes on the image below. In service mode engine starts without touching the sensor as normally, without the immobilizer. In service mode LED is flashing and a short beep sounds up after engine started and LED shuts down afterwards. Beeper is not waterproof!

This Finger Touch Immobilizer will fit all motorcycles running on negative grounded 12-Volt electrical system. 24-Volt bikes are not applicable.

Beeper is not waterproof!

Highly recommended to activate service mode, if your bike is taken to car-wash, repair shop or wherever, an unauthorized person can get access to the location of your secret sensor.

Don’t block any engine component draws more current than 10A. For higher-amp components, install relays.

I am ultimately satisfied

Great immobilizer!!! I work for a major snack food company where there is no security surveillance in parking but this unit works really well and I have no fears any more. The only problem is the deactivation takes some time but it's a fillip. This is my second part from magnum. I am ultimately satisfied with both parts.

that's not a big invention

shoulda been no shipping charges for that price, i wasn't born yesterday, this is just a panel with couple relays, chep resistors and conductors, may be a 555, in conclusion that's not a big invention.

Worry-free installation

I have only used the immobilizer 3 times now and I figure its ideal for motorcycle use if you can conceal the sensors. This is much better than using a mechanical lock or fat and heavy chains on a bike due to fumbling with these gadgets. Remushield makes quicker work of things. You couldn't go wrong with this security system. Worry-free installation in an hour or even less.

8 of 12 people found this review helpful.

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overall satisified

ordered this fnger touch alarm system kit to my bike from magnum received in good condition and in just a few days overall satisified with this transaction and will buy again from magnumtuning.com. Works flawless and hope it prevent my bike from being stolen.

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Haizhimeng LB50QT-21 Bike Anti-Theft

Upgrade the LB50QT-21 motor of your Haizhimeng with a high-tech anti-theft module and feel free to order RemusShield Touch Sense Immobilizer right now to your Bike. New Magnum Haizhimeng Motorcycle Immobilizers increase chances against thieves, improve security and even make your LB50QT-21 Bike run better overall. When you feel the need for safety you can get it any time with a custom Haizhimeng anti-theft module installed on the any engine sensor, fuel pump or starter motor of your Bike. LB50QT-21 RemusShield Touch Sense Immobilizer tricks the power supply and results instant advantages. The feedback of Corrado was, Good Value, great deal, thank you! Thank you for selling an affordable Haizhimeng part. The best deal I have ever had. Would do it again. Thank you!